UV Index in Si Ma Cai, Vietnam
Last updated: February 1, 2025
Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.| | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 |
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| UVI | 1 | 2 | 4 | 6 | 9 | 10 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| Exposure | low | moderate | high | very high | high | moderate | low |
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| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Si Ma Cai
UV Index (UVI) in Si Ma Cai. Generated using Copernicus Atmosphere Monitoring Service information. Data for the period from January 2022 to January 2023.| | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 |
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| January | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 6 | 4 | 2 | 1 | 0 | 0 |
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| February | 1 | 2 | 4 | 6 | 9 | 10 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| March | 1 | 3 | 5 | 9 | 11 | 12 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
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| April | 1 | 3 | 6 | 9 | 12 | 13 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
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| May | 2 | 4 | 8 | 11 | 14 | 14 | 13 | 10 | 6 | 3 | 1 | 1 | 0 |
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| June | 2 | 4 | 7 | 11 | 13 | 14 | 13 | 10 | 7 | 4 | 2 | 1 | 0 |
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| July | 2 | 4 | 7 | 11 | 14 | 15 | 13 | 11 | 7 | 4 | 2 | 1 | 0 |
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| August | 1 | 3 | 7 | 10 | 13 | 14 | 13 | 10 | 7 | 3 | 1 | 1 | 0 |
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| September | 1 | 3 | 6 | 10 | 12 | 13 | 12 | 9 | 5 | 3 | 1 | 1 | 0 |
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| October | 1 | 3 | 6 | 9 | 11 | 12 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| November | 1 | 2 | 5 | 7 | 9 | 9 | 8 | 5 | 3 | 1 | 1 | 0 | 0 |
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| December | 1 | 2 | 3 | 5 | 7 | 8 | 6 | 4 | 2 | 1 | 1 | 0 | 0 |
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Compare Si Ma Cai UV Index to other Vietnam cities
Si Ma Cai's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Hanoi | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 9 | 7 |
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| Haiphong | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
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| Si Ma Cai | 8 | 10 | 12 | 13 | 14 | 14 | 15 | 14 | 13 | 12 | 9 | 8 |
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| Da Nang | 10 | 12 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 9 |
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| Ho Chi Minh City | 10 | 13 | 15 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 11 | 10 |
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| Bien Hoa | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 |
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Compare Si Ma Cai's UV Index to other cities in the world
Si Ma Cai's solar exposure compared to other cities in the world. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Oslo | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
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| Berlin | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
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| London | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
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| Toronto | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
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| New York City | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
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| Athens | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
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| Tokyo | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Los Angeles | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
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| Shanghai | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
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| Auckland | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
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| Dubai | 6 | 7 | 11 | 11 | 12 | 11 | 10 | 11 | 10 | 8 | 6 | 5 |
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| Sydney | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
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| Miami | 6 | 9 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 10 | 8 | 6 |
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| Si Ma Cai | 8 | 10 | 12 | 13 | 14 | 14 | 15 | 14 | 13 | 12 | 9 | 8 |
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| Mexico City | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
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| Jakarta | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
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